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tutorial:screenhandler [2020/08/15 19:45] – technici4ntutorial:screenhandler [2021/06/17 12:24] – Update to 1.17 redgrapefruit
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-====== Creating a Container Block (DRAFT) (NEW) ======+====== Creating a Container Block======
 In this tutorial we will create simple storage block similar to a dispenser, explaining how to build a user interface with the ''ScreenHandler'' API from Fabric and Vanilla Minecraft along the way. In this tutorial we will create simple storage block similar to a dispenser, explaining how to build a user interface with the ''ScreenHandler'' API from Fabric and Vanilla Minecraft along the way.
  
Line 23: Line 23:
  
     @Override     @Override
-    public BlockEntity createBlockEntity(BlockView world) { +    public BlockEntity createBlockEntity(BlockPos pos, BlockState state) { 
-        return new BoxBlockEntity();+        return new BoxBlockEntity(pos, state);
     }     }
  
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     public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {     public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
         if (!world.isClient) {         if (!world.isClient) {
-            //This will call the createScreenHandlerFactory method from blockWithEntity, which will return our blockEntity casted +            //This will call the createScreenHandlerFactory method from BlockWithEntity, which will return our blockEntity casted to 
-            //to a namedScreenHandlerFactory+            //a namedScreenHandlerFactory. If your block class does not extend BlockWithEntity, it needs to implement createScreenHandlerFactory.
             NamedScreenHandlerFactory screenHandlerFactory = state.createScreenHandlerFactory(world, pos);             NamedScreenHandlerFactory screenHandlerFactory = state.createScreenHandlerFactory(world, pos);
  
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     @Override     @Override
     public int getComparatorOutput(BlockState state, World world, BlockPos pos) {     public int getComparatorOutput(BlockState state, World world, BlockPos pos) {
-        return ScreenHandler.calculateComparatorOutput(world.getBlockEntity(pos))+        return ScreenHandler.calculateComparatorOutput(world.getBlockEntity(pos));
     }     }
 } }
Line 81: Line 81:
     private final DefaultedList<ItemStack> inventory = DefaultedList.ofSize(9, ItemStack.EMPTY);     private final DefaultedList<ItemStack> inventory = DefaultedList.ofSize(9, ItemStack.EMPTY);
  
-    public BoxBlockEntity() { +    public BoxBlockEntity(BlockPos pos, BlockState state) { 
-        super(ExampleMod.BOX_BLOCK_ENTITY);+        super(ExampleMod.BOX_BLOCK_ENTITY, pos, state);
     }     }
  
Line 111: Line 111:
          
     @Override     @Override
-    public void fromTag(BlockState state, CompoundTag tag) { +    public void readNbt(NbtCompound nbt) { 
-        super.fromTag(state, tag); +        super.readNbt(nbt); 
-        inventory = DefaultedList.ofSize(invsize, ItemStack.EMPTY); +        Inventories.readNbt(nbt, this.inventory);
-        Inventories.fromTag(tag, this.inventory);+
     }     }
  
     @Override     @Override
-    public CompoundTag toTag(CompoundTag tag) { +    public NbtCompound writeNbt(NbtCompound nbt) { 
-        super.toTag(tag); +        super.writeNbt(nbt); 
-        Inventories.toTag(tag, this.inventory); +        Inventories.writeNbt(nbt, this.inventory); 
-        return tag;+        return nbt;
     }     }
 } }
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     @Override     @Override
     protected void drawBackground(MatrixStack matrices, float delta, int mouseX, int mouseY) {     protected void drawBackground(MatrixStack matrices, float delta, int mouseX, int mouseY) {
-        RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F); +        RenderSystem.setShader(GameRenderer::getPositionTexShader); 
-        client.getTextureManager().bindTexture(TEXTURE);+        RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F); 
 +        RenderSystem.setShaderTexture(0, TEXTURE);
         int x = (width - backgroundWidth) / 2;         int x = (width - backgroundWidth) / 2;
         int y = (height - backgroundHeight) / 2;         int y = (height - backgroundHeight) / 2;
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 } }
  
 +</code>
 +
 +Don't forget to register this entrypoint in ''fabric.mod.json'' if you haven't done it yet:
 +<code json>
 +/* ... */
 +  "entrypoints": {
 +    /* ... */
 +    "client": [
 +      "tutorial.path.to.ExampleModClient"
 +    ]
 +  },
 </code> </code>
  
tutorial/screenhandler.txt · Last modified: 2024/02/19 02:51 by netuserget